Engine Blocks & Parts | Summit Racing

Summit Racing™ LS Main Cap Bolt Kits SUM-910229

Summit Racing™ LS Main Cap Bolt Kits SUM-910229

Main Bolts, 6-bolt Mains, Flanged Hex, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-910229

4.57 out of 5 stars ( 14 )

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Summit Racing™ LS Rear Main Seal Housings SUM-G2621

Housing, Rear Main Seal, Aluminum, Chevy, LS, Each

Part Number: SUM-G2621

2.35 out of 5 stars ( 17 )

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Edelbrock LS Bare Race Blocks 54903U

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U

Not Yet Reviewed

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Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks 31867212

Bare Block, Cast Iron, LS Mains, 4.125 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867212

5.0 out of 5 stars ( 1 )

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Summit Racing™ SPC LS Engine Block SUM-150215

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Dart LS Next Cast Iron Bare Blocks 31867211

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Iron, GM LS-Series, Each

Part Number: DRT-31867211

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BluePrint Engines Engines, Bare Blocks BPP12110350

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Estimated Ship Date: Mar 2, 2026

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ICT Billet LS Lifter Valley Covers 551606LS

Lifter Valley Plate, LS Lifter Valley Cover, Aluminum, Natural, Oil Pressure Sensor Port, Chevrolet, Small Block LS, Each

Part Number: ICB-551606LS

Not Yet Reviewed

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Derale LS Engine Oil Cooler Adapter Kits 35611

Adapter, Oil Cooler, Billet Aluminum, Black Anodized, GM, LS, Each

Part Number: DER-35611

5.0 out of 5 stars ( 1 )

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Holley LS Valley Covers 241-362

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Black Anodized, 11-Bolt Pattern, Chevy, LS, 6.0L, 6.2L, 7.0L, Each

Part Number: HLY-241-362

Not Yet Reviewed

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Billet Specialties LS Valley Covers 95055

Engine Valley Cover, Gen. 4 LS2/LS3/LS7, Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: BSP-95055

Not Yet Reviewed

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Derale LS Engine Oil Cooler Adapter Kits 35621

Adapter, Oil Cooler, Billet Aluminum, Thermostat, Black Anodized, GM, LS, Each

Part Number: DER-35621

4.0 out of 5 stars ( 1 )

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Summit Racing™ LS Main Cap Bolt Kits SUM-910229-3

Main Bolts, Side Bolts Only, 6-bolt Style, Hex, Chevy, LS, Set of 10

Part Number: SUM-910229-3

5.0 out of 5 stars ( 2 )

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Summit Racing™ LS Cylinder Head Dowel Pins SUM-910233

Cylinder Head Dowel Pin, Solid, Chevy GM, LS/LSX, Gen III/IV For use with standard or 1/2 in. head studs. Set of 4

Part Number: SUM-910233

Not Yet Reviewed

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Holley LS Valley Covers 241-367

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-367

5.0 out of 5 stars ( 1 )

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Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-BLK

Lifter Valley Cover, Finned, Aluminum, Black Powdercoated, Chevy, LS, Each

Part Number: SUM-240065-BLK

Not Yet Reviewed

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Derale LS Engine Oil Cooler Block-off Adapters 35601

Block Off, Oil Cooler, Billet Aluminum, Black Anodized, GM, LS, Each

Part Number: DER-35601

Not Yet Reviewed

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Dart LS Next Block Hardware Kits 32000016

Engine Hardware Kits, Brass Freeze Plugs, Coated Camshaft Bearings, Dowel Pins, Chevrolet, LS, Kit

Part Number: DRT-32000016

Not Yet Reviewed

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Summit Racing Equipment® LS Engine Hardware Kits SUM-G1585

Engine Hardware Kit, Brass Freeze Plugs, Main Cap Side Bolts, Chevy, LS, Kit

Part Number: SUM-G1585

5.0 out of 5 stars ( 2 )

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Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-POL

Lifter Valley Cover, Finned, Aluminum, Polished, Chevy, LS, Each

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

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Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-SAT

Lifter Valley Cover, Finned, Aluminum, Natural, Chevy, LS, Each

Part Number: SUM-240065-SAT

Not Yet Reviewed

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World Products Motown LS Water Return Kits WPIWPI703850-K

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-WPI703850-K

Not Yet Reviewed

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Edelbrock LS Bare Race Blocks 54901U

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each

Part Number: EDL-54901U

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Dart LS Next Cast Iron Bare Blocks 31867111

Engine Block, Cast Iron, LS 4-bolt Mains, 4.000 in. Bore, Chevy LS, Small Block, Each

Part Number: DRT-31867111

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dart LS Next Aluminum Bare Blocks 31947212

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each

Part Number: DRT-31947212

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dart SHP Special High Performance LS Next Pro Cast Iron Bare Blocks 31867112

Bare Block, Cast Iron, LS Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867112

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Dart LS Next Aluminum Bare Blocks 31937222

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937222

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today